Monadic version of functions for containers (adjustM, updateWithKeyM, etc)

[Isaac Dupree]

On 09/28/10 15:14, Ian Lynagh wrote:
> I'm not convinced it's harder for an expert to write with, and I think a
> beginner will generally prefer having the functionality they need
> directly available, rather than having to compose functions together.

As a beginner, I liked the practice of having to compose functions 
together.  It helped me grasp the ways in which that *can* be done. 
(This doesn't seem to me like a convincing argument to avoid the more 
functions.  Just thought it was a doubt worth hearing.)